/* ========================================
   EXPERIENCIAS — Casos de éxito
   ======================================== */

.bb-cases { position: relative; }
.bb-cases::before {
  content: ''; position: absolute; top: 15%; right: -8%; width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(232,146,84,0.07) 0%, transparent 60%);
  border-radius: 999px; filter: blur(80px); pointer-events: none;
}
.bb-cases::after {
  content: ''; position: absolute; bottom: -5%; left: -10%; width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(181,101,29,0.05) 0%, transparent 60%);
  border-radius: 999px; filter: blur(80px); pointer-events: none;
}
.bb-cases__tabs { display: flex; gap: 8px; margin-bottom: 60px; flex-wrap: wrap; }
.bb-cases__tab {
  background: transparent; border: 1px solid var(--bb-hairline);
  padding: 16px 24px; color: var(--bb-fg-2); cursor: pointer;
  display: flex; align-items: center; gap: 14px;
  font-family: inherit; font-size: 14px;
  transition: all 320ms var(--bb-ease);
}
.bb-cases__tab:hover { border-color: var(--bb-copper); color: var(--bb-fg-1); }
.bb-cases__tab.is-active { border-color: var(--bb-copper); background: rgba(181,101,29,0.08); color: var(--bb-fg-1); }
.bb-cases__tab-title { font-family: 'Playfair Display', serif; font-weight: 700; font-size: 16px; }

.bb-case { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: start; }
.bb-case__visual {
  position: relative; aspect-ratio: 4/3; overflow: hidden;
  background: var(--bb-charcoal);
}
.bb-case__img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform 1200ms var(--bb-ease);
}
.bb-case__visual:hover .bb-case__img { transform: scale(1.05); }
.bb-case--video { grid-template-columns: clamp(180px, 26vw, 310px) 1fr; align-items: center; }
.bb-case__visual--video { aspect-ratio: 9/16; }
.bb-case__visual video.bb-case__img { object-fit: cover; }
.bb-case__visual-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10,10,10,0.7) 100%);
}
.bb-case__visual-meta { position: absolute; top: 24px; left: 24px; right: 24px; }
.bb-case__body { padding-top: 12px; }
.bb-case__title { margin: 16px 0 12px; }
.bb-case__sub { font-family: 'Cormorant Garamond', serif; font-style: italic; font-weight: 600; font-size: 20px; color: var(--bb-copper-lo); margin-bottom: 24px; line-height: 1.4; }
.bb-case__copy { color: var(--bb-fg-2); margin-bottom: 36px; }
.bb-case__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 32px; padding: 28px 0; border-top: 1px solid var(--bb-hairline); border-bottom: 1px solid var(--bb-hairline); }
.bb-case__stat-k { font-family: 'Playfair Display', serif; font-weight: 700; font-size: clamp(28px, 3vw, 40px); color: var(--bb-copper-lo); letter-spacing: 0.01em; }
.bb-case__stat-v { font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--bb-fg-3); margin-top: 4px; }
.bb-link { display: inline-flex; align-items: center; gap: 8px; color: var(--bb-copper-lo); font-size: 14px; letter-spacing: 0.1em; text-transform: uppercase; border-bottom: 1px solid var(--bb-copper); padding-bottom: 4px; }

/* Video play overlay for mobile */
.bb-case__play-overlay {
  position: absolute; inset: 0; z-index: 2;
  display: flex; align-items: center; justify-content: center;
  background: rgba(10,10,10,0.5); cursor: pointer;
}
.bb-case__play-btn {
  width: 64px; height: 64px; border-radius: 50%;
  background: rgba(181,101,29,0.9);
  display: flex; align-items: center; justify-content: center;
  transition: transform 300ms var(--bb-ease);
}
.bb-case__play-btn:hover { transform: scale(1.1); }
.bb-case__play-btn svg { width: 28px; height: 28px; fill: var(--bb-bone); margin-left: 4px; }

@media (max-width: 900px) {
  .bb-case { grid-template-columns: 1fr; gap: 24px; }
  .bb-case--video { grid-template-columns: 1fr; }
  .bb-case__visual--video { aspect-ratio: 9/16; max-width: 280px; width: 100%; margin: 0 auto; }
  .bb-case__visual:not(.bb-case__visual--video) { aspect-ratio: 16/9; }
  .bb-case__body { padding-top: 0; }
  .bb-case__title { margin: 8px 0 8px; }
  .bb-case__sub { font-size: 17px; margin-bottom: 16px; }
  .bb-case__copy { font-size: 14px; margin-bottom: 20px; }
  .bb-case__stats { grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 20px; padding: 16px 0; }
  .bb-case__stat-k { font-size: clamp(22px, 5vw, 30px); }
  .bb-case__stat-v { font-size: 10px; }

  /* Accordion layout */
  .bb-cases__tabs { flex-direction: column; gap: 0; }
  .bb-cases__tab { width: 100%; justify-content: flex-start; border-bottom: none; }
  .bb-cases__tab:last-of-type { border-bottom: 1px solid var(--bb-hairline); }
  .bb-case--accordion {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    padding: 0;
    transition: max-height 500ms var(--bb-ease), opacity 400ms var(--bb-ease), padding 400ms var(--bb-ease);
  }
  .bb-case--accordion.is-open {
    max-height: 2000px;
    opacity: 1;
    padding: 24px 0 32px;
  }
}

@media (max-width: 640px) {
  .bb-case__visual--video { max-width: 220px; }
  .bb-cases::before, .bb-cases::after { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .bb-case__img { transition: none; }
}